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Information processing apparatus, information processing method, recording medium, and program

a technology of information processing apparatus and information processing method, which is applied in the field of information processing apparatus, information processing method, recording medium, and program, can solve the problems of affecting the accuracy of pixel acquisition. , to achieve the effect of accurate interpolation and accurate acquisition

Inactive Publication Date: 2009-01-27
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention provides an improved method for enlarging images without introducing blurring or mosaic effects. The method involves setting weights for interpolation pixels based on the slope of the pixel of interest and the confidence levels of neighboring pixels. The method also includes generating information used for evaluating the strength of edges and texture at the position of the pixel of interest. By using this method, images can be enlarged with reduced computing resources and with improved clarity and resolution.

Problems solved by technology

However, the first method provides little effect for highly enlarged images.
The edge of the enlarged image is significantly destroyed and noticeable jaggies appear.
The second method has a disadvantage in that the whole image is blurred.
Thus, the resolution of the image is not improved.
In the third method, an image is considerably blurred and the hardware becomes relatively complicated.
In such a case, it is difficult to generate a clear enlarged image.
Therefore, the proper direction of the edge is not always detected, and thus, a pixel for the interpolation is not properly generated.

Method used

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  • Information processing apparatus, information processing method, recording medium, and program
  • Information processing apparatus, information processing method, recording medium, and program
  • Information processing apparatus, information processing method, recording medium, and program

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Embodiment Construction

[0058]Before describing an embodiment of the present invention, the correspondence between the features of the claims and the specific elements disclosed in an embodiment of the present invention is discussed below. This description is intended to assure that an embodiment(s) supporting the claimed invention are described in this specification. Thus, even if an element in the following embodiment(s) is not described as relating to a certain feature of the present invention, that does not necessarily mean that the element does not relate to that feature of the claims. Conversely, even if an element is described herein as relating to a certain feature of the claims, that does not necessarily mean that the element does not relate to other features of the claims.

[0059]Furthermore, this description should not be construed as restricting that all the aspects of the invention disclosed in the embodiment(s) are described in the claims. That is, the description does not deny the existence of...

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Abstract

In an image processing apparatus for converting resolution of an image, a weight for a statistical diagonal interpolation pixel is set based on a slope having the statistically highest confidence level, the statistical diagonal interpolation pixel is combined with a different pixel interpolated by a different interpolation so as to generate a combined interpolated pixel based on the set weight, information is generated for quantitatively evaluating the strength of an edge and the strength of texture, a texture mixed pixel is generated by combining the combined interpolated pixel with a texture pixel generated by performing texture filtering on the pixel of interest based on the texture strength information, and an edge mixed pixel is generated as a pixel at the position of interest by combining an edge pixel generated by performing filtering on the pixel of interest with the generated texture mixed pixel based on the edge strength information.

Description

CROSS REFERENCES TO RELATED APPLICATIONS[0001]The present invention contains subject matter related to Japanese Patent Application JP 2004-344079 filed in the Japanese Patent Office on Nov. 29, 2004, the entire contents of which are incorporated herein by reference.BACKGROUND OF THE INVENTION[0002]1. Field of the Invention[0003]The present invention generally relates to an information processing apparatus, an information processing method, a recording medium, and a program and, in particular, to an information processing apparatus, an information processing method, a recording medium, and a program for obtaining a high-quality and high-resolution image by redrawing a clear and natural edge and texture using a method matched to human visual characteristics.[0004]2. Description of the Related Art[0005]The need for a process known as digital zooming has been growing as the digital image based apparatuses (e.g., digital cameras and video tape recorders with a camera) have become widespr...

Claims

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Application Information

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Patent Type & Authority Patents(United States)
IPC IPC(8): G09G5/00G06K9/40
CPCG06T3/403H04N1/3935H04N1/4092G06T2207/20192
Inventor MICHEL, XAVIER
Owner SONY CORP
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